60+ Must-Have Open-Source DevOps Tools to Supercharge Your Workflow

Do you like free stuff? Open-source tools supported by developer communities can automate your workflow, and we have listed more than 60 of the best ones to help you implement DevOps effectively.

Version Control & Collaboration

Git
Git is an open-source distributed version control system for handling projects of any size.
GitLab
GitLab, built with Ruby on Rails, provides a self‑hosted Git repository with a web interface for public or private projects.
Gerrit
Gerrit is a free, open-source code review tool that uses a web interface and Git as its underlying VCS.
Mercurial
Mercurial is a lightweight distributed VCS implemented in Python.
Subversion
Subversion is a VCS that replaces CVS and RCS, offering branch management.
Bazaar
Bazaar is a distributed VCS released under the GPL, available for Windows, Linux, UNIX, and macOS.

Automated Build and Test

Apache Ant
A tool that automates compilation, testing, and deployment, mainly for Java.
Maven
Provides advanced project management on top of build capabilities; Maven repositories are available on Open Source China.
Selenium
A powerful integration testing tool from ThoughtWorks.
PyUnit
Python's unit testing framework, a port of JUnit.
QUnit
jQuery's unit testing framework.
JMeter
Apache's open-source functional and performance testing tool written in Java.
Gradle
A build system using Groovy scripts, supporting dependency management and multi‑project builds.
PHPUnit
A lightweight PHP testing framework, a port of JUnit.

Continuous Integration & Delivery

Jenkins
An extensible CI engine, formerly known as Hudson.
Capistrano
A tool for executing the same commands on multiple machines, originally for Rails deployments.
BuildBot
Automates compile/test cycles to verify code changes.
Fabric
An open-source platform for managing Java containers and automating configuration, service discovery, and monitoring.
Travis CI
A cloud‑based CI service supporting many languages.
Continuum
Apache Continuum provides a web‑based CI server with an embedded Jetty.
LuntBuild
A powerful automated build tool with a simple web interface.
CruiseControl
A CI framework with email notifications and web UI.
Integrity
A Ruby‑based CI server.
Gump
Apache's integration tool written in Python, supporting Ant, Maven, etc.
Go
Google's compiled, concurrent language with garbage collection.

Deployment Tools

Container Platforms

Docker
An open-source container engine for packaging applications and dependencies.
Rocket (rkt)
CoreOS's container engine similar to Docker.
LXD (Ubuntu LXC)
Ubuntu's container system based on LXC, offering IAAS capabilities.

Configuration Management

Chef
A system integration framework for configuration management.
Puppet
Manages system configuration across platforms.
CFEngine
Automates UNIX management tasks.
Bash
The default shell for most Linux and macOS systems.
Rudder (Flannel)
Provides subnets for each Kubernetes node.
Powershell

RunDeck
Java/Grails‑based tool for automating data‑center and cloud operations.
Saltstack
Python‑based infrastructure management tool.
Ansible
A model‑driven configuration manager using SSH, requiring no agents.

Microservice Platforms

OpenShift
Red Hat's PaaS for developers.
Cloud Foundry
VMware's open-source PaaS supporting multiple frameworks and languages.
Kubernetes
Google's open-source container orchestration system built on Docker.
Mesosphere (Apache Mesos)
A cluster manager that isolates and shares resources across distributed applications.

Service Provisioning

Puppet
(Repeated entry) Manages system components.
Razor
Docker Swarm
Provides a local cluster for Docker containers.
Vagrant
Ruby‑based tool for creating and deploying virtual development environments.
Powershell
OpenStack Heat

Maintenance

Logging

Logstash
Collects, processes, and searches application logs.
CollectD
Daemon for gathering system performance metrics.
StatsD
Simple network daemon for aggregating statistics, often used with Graphite.

Monitoring, Alerting & Analysis

Nagios
Monitors system and network status with alerts.
Ganglia
Scalable distributed monitoring for HPC clusters.
Sensu
Open-source monitoring framework designed for cloud environments.
zabbix
Enterprise‑grade distributed monitoring solution.
ICINGA
Fork of Nagios with compatible plugins.
Graphite
Collects and visualizes real‑time metrics.
Kibana
Web interface for Logstash and Elasticsearch, enabling log analysis and visualization.

Feel free to share additional tools in the comments! Original source: https://elasticbox.com/blog/de...ools/